水压爆破法拆除多格式大型隔油池

DEMOLITION OF MULTI-LATTICE LARGE-SCALE OIL SEPARATION POOL WITH WATER PRESSURE BLASTING

文章系统地给出了用水压爆破法连续拆除多格式超大容积隔油池的爆破参数的设计及其技术处理。隔油池为多格式、细长型(最大长宽比为8:3),结构复杂。采用了梯恩梯药块条形装药、多药包,导爆索和非电、电导爆系统的串、并联复式传爆网络及微差起爆技术,取得了较好的爆破效果。离池壁仅1.8m的高压线绊桩(3m高)、离池壁7m的高压线杆和离池壁5m且平行于池壁的平房(20m长)都安全无恙。测得了水压爆破地震波形,用计算机处理系统获得了水压爆破地震波参数及衰减规律,实测质点速度是用萨氏公式计算值的0.3～0.45。为用水压爆破法拆除同类型复杂结构物提供了有价值的参考资料。

The design and technical processing of blasting parameters which are used to demolish a multi-lattice large-scale oil separation pool with water pressure blasting were systematically described in this paper. The oil separation pool is multi-lattice slim type (the maximal value of the ratio of the length to the width of the pool is about 8.3). The structure of the pool is complex. The stripe charges are charged with TNT explosive. The complex initiation circuitry with the primacord and electric and non-electric system of initiation and the technique of the delayed initiation were adopted in this engineering. The predeterminate blasting effect was obtaind. The anchor stake for the pillar of high-voltage wire which is 3 meters high and only 1.8m from the pool wall, the pillar of high-voltage wire which is 7 meters from the pool wall and a house which is 20 meters long and 5 meters from the pool wall and parallel to the pool wall are all safe after blasting. The seis-mograms due to the water pressure blasting were recorded.The laws of the attenuation and parameters of the seismic waves due to the water pressure blasting were obtained with a computer processing system. The measured particle velocity is about 0.3-0.45 time of that calculated with the Sha's formula. It provides valuable reference information for demolishing the similar complex structure with the water pressure blasting.